diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/ipso_objects_tlv.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/ipso_objects_tlv.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/ipso_objects_tlv.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/ipso_objects_tlv.c new file mode 100644 index 0000000..5cb53ec --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/iot/lwm2m/ipso_objects_tlv.c @@ -0,0 +1,143 @@ +/** + * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#include "ipso_objects_tlv.h" +#include "lwm2m_tlv.h" + +static void index_buffer_len_update(uint32_t * index, uint32_t * buffer_len, uint32_t max_buffer) +{ + *index += *buffer_len; + *buffer_len = max_buffer - *index; +} + +uint32_t ipso_tlv_ipso_digital_output_decode(ipso_digital_output_t * p_digital_output, + uint8_t * p_buffer, + uint32_t buffer_len) +{ + uint32_t err_code; + lwm2m_tlv_t tlv; + + uint32_t index = 0; + + while (index < buffer_len) + { + err_code = lwm2m_tlv_decode(&tlv, &index, p_buffer, buffer_len); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + switch (tlv.id) + { + case IPSO_RR_ID_DIGITAL_OUTPUT_STATE: + { + p_digital_output->digital_output_state = tlv.value[0]; + break; + } + + case IPSO_RR_ID_DIGITAL_OUTPUT_POLARITY: + { + p_digital_output->digital_output_polarity = tlv.value[0]; + break; + } + + case IPSO_RR_ID_APPLICATION_TYPE: + { + p_digital_output->application_type.p_val = (char *)tlv.value; + p_digital_output->application_type.len = tlv.length; + break; + } + + default: + break; + } + } + + return NRF_SUCCESS; +} + +uint32_t ipso_tlv_ipso_digital_output_encode(uint8_t * p_buffer, + uint32_t * p_buffer_len, + ipso_digital_output_t * p_digital_output) +{ + uint32_t err_code; + uint32_t max_buffer = *p_buffer_len; + uint32_t index = 0; + + lwm2m_tlv_t tlv; + tlv.id_type = TLV_TYPE_RESOURCE_VAL; // type is the same for all. + + // Encode state. + lwm2m_tlv_bool_set(&tlv, p_digital_output->digital_output_state, IPSO_RR_ID_DIGITAL_OUTPUT_STATE); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode polarity. + lwm2m_tlv_bool_set(&tlv, p_digital_output->digital_output_polarity, IPSO_RR_ID_DIGITAL_OUTPUT_POLARITY); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + // Encode application type. + lwm2m_tlv_string_set(&tlv, p_digital_output->application_type, IPSO_RR_ID_APPLICATION_TYPE); + err_code = lwm2m_tlv_encode(p_buffer + index, p_buffer_len, &tlv); + + if (err_code != NRF_SUCCESS) + { + return err_code; + } + + index_buffer_len_update(&index, p_buffer_len, max_buffer); + + *p_buffer_len = index; + + return NRF_SUCCESS; +} |